Date: Tue, 26 Jun 2007 11:57:30 +0200 From: Erik Trulsson <ertr1013@student.uu.se> To: Tom Evans <tevans.uk@googlemail.com> Cc: Ollivier Robert <roberto@keltia.freenix.fr>, FreeBSD Current Users' list <freebsd-current@FreeBSD.ORG> Subject: Re: Is this reasonable ? Message-ID: <20070626095730.GA22833@owl.midgard.homeip.net> In-Reply-To: <1182850952.1511.12.camel@localhost> References: <20070626081951.GB85270@keltia.freenix.fr> <1182847326.1511.3.camel@localhost> <20070626091209.GA9260@keltia.freenix.fr> <1182850952.1511.12.camel@localhost>
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On Tue, Jun 26, 2007 at 10:42:32AM +0100, Tom Evans wrote: > On Tue, 2007-06-26 at 11:12 +0200, Ollivier Robert wrote: > > According to Tom Evans: > > > iirc the Intel D820 isn't 64bit capable, so it would be unreasonable to > > > run 7.0/amd64 on it ;) > > > > Here is what is displayed at boot-time. What should indicate it does > > support EM64T (or not)? > > > > CPU: Intel(R) Pentium(R) D CPU 2.80GHz (2793.09-MHz 686-class CPU) > > Origin = "GenuineIntel" Id = 0xf47 Stepping = 7 > > Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,C > > MOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> > > Features2=0x641d<SSE3,RSVD2,MON,DS_CPL,CNTX-ID,CX16,<b14>> > > AMD Features=0x20100000<NX,LM> > > AMD Features2=0x1<LAHF> > > Cores per package: 2 > > > > My mistake, I thought the D820 didnt have EMT64 support - according to > wikipedia it does. I'm still not sure what feature signifies EMT64(?) > > My laptop, for example, doesnt: > Copyright (c) 1992-2007 The FreeBSD Project. > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 > The Regents of the University of California. All rights > reserved. > FreeBSD is a registered trademark of The FreeBSD Foundation. > FreeBSD 7.0-CURRENT #1: Tue Jun 5 14:39:27 BST 2007 > root@zoot:/usr/obj/usr/src/sys/ZOOT > Timecounter "i8254" frequency 1193182 Hz quality 0 > CPU: Genuine Intel(R) CPU T2500 @ 2.00GHz (1995.02-MHz > 686-class CPU) > Origin = "GenuineIntel" Id = 0x6e8 Stepping = 8 > > Features=0xbfe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA, > CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> > Features2=0xc1a9<SSE3,MON,VMX,EST,TM2,xTPR,PDCM> > AMD Features=0x100000<NX> > Cores per package: 2 > > But most of my servers do: > Copyright (c) 1992-2007 The FreeBSD Project. > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 > The Regents of the University of California. All rights > reserved. > FreeBSD is a registered trademark of The FreeBSD Foundation. > FreeBSD 6.2-RELEASE #11: Mon Jun 11 13:26:07 BST 2007 > root@roley:/usr/obj/usr/src/sys/PE2950 > Timecounter "i8254" frequency 1193182 Hz quality 0 > CPU: Intel(R) Xeon(R) CPU 5110 @ 1.60GHz (1597.65-MHz > K8-class CPU) > Origin = "GenuineIntel" Id = 0x6f6 Stepping = 6 > > Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV, > PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> > > Features2=0x4e33d<SSE3,RSVD2,MON,DS_CPL,VMX,TM2,<b9>,CX16,<b14>,<b15>,<b18>> > AMD Features=0x20100800<SYSCALL,NX,LM> > AMD Features2=0x1<LAHF> > Cores per package: 2 > > Its either LAHF or LM imho. > It is 'LM' (short for 'Long Mode') which indicates that the CPU is capable of running in 64-bit mode. -- <Insert your favourite quote here.> Erik Trulsson ertr1013@student.uu.se
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